CN220930499U

CN220930499U - Quick-dismantling type multi-loop fluid sealing structure

Info

Publication number: CN220930499U
Application number: CN202322654405.4U
Authority: CN
Inventors: 杨磊; 张衡; 张雅玲; 张学智; 张建荣; 唐庆峰; 杨阳阳; 高笑菲; 詹文龙
Original assignee: Guangdong Provincial Laboratory Of Advanced Energy Science And Technology; Institute of Modern Physics of CAS
Current assignee: Guangdong Provincial Laboratory Of Advanced Energy Science And Technology; Institute of Modern Physics of CAS
Priority date: 2023-09-27
Filing date: 2023-09-27
Publication date: 2024-05-10
Anticipated expiration: 2033-09-27

Abstract

The utility model relates to the technical field of fluid sealing elements, and particularly discloses a quick-dismantling type multi-loop fluid sealing structure. The utility model relates to a quick-dismantling type multi-loop fluid sealing structure, which comprises a first flange and a second flange, wherein the first flange is detachably connected with the second flange, and a first inflow channel for fluid to flow into the first flange and a first outflow channel for fluid to flow out of the first flange are formed on the first flange in a penetrating manner; the second flange is provided with a second inflow channel for fluid to flow into the second flange in a penetrating way, the second inflow channel is arranged corresponding to the first inflow channel, the second flange is provided with a second outflow channel for fluid to flow out of the second flange in a penetrating way, the second outflow channel is arranged corresponding to the first outflow channel, and the first flange and the second flange are assembled in a sealing way. The fluid sealing structure is convenient to maintain or replace when faults occur.

Description

Quick-dismantling type multi-loop fluid sealing structure

Technical Field

The embodiment of the application relates to the technical field of fluid sealing elements, in particular to a quick-dismantling type multi-loop fluid sealing structure.

Background

The accelerator is a device for accelerating charged particles to higher energy by an artificial method, and the charged particles accelerated by the accelerator act on a target material to generate a series of nuclear reaction processes in the target material, so that radionuclides which are required by industrial, medical and scientific applications and are difficult to obtain in nature can be obtained.

The terminal of accelerator targeting is mainly a vacuum cavity, a vacuum end cover is arranged at the cavity opening of the vacuum cavity, and the target in the vacuum cavity is quickly heated due to the effect of high-energy particles in the acceleration process. Therefore, a cooler for cooling the target is arranged in the vacuum cavity. A pipeline for circulating cooling fluid is arranged between the cooler and the vacuum end cover, and a sealing joint is arranged, the cooling fluid flows along the pipeline, and the cooling fluid is supplied to the cooler from the outer side of the vacuum cavity. A larger flow of cooling water is required for cooling high power targets, and therefore larger diameter tubing, such as DN50 tubing, is required, wherein the sealing joint is typically a large size sealing joint with the tubing and is installed and connected by means of an adapted bolt, sleeve nut.

The existing sealing joint is used in a strong radiation environment, the problem of poor sealing performance easily occurs, and the sealing joint needs to be maintained or replaced in time. In a radioactive hot cell, disassembly and replacement of the sealing joint are typically accomplished by clamping an electric sleeve disassembly bolt or nut with a manipulator.

However, when the sealing joint is damaged, the bolt or the nut which is adapted to the sealing joint needs to use a tool matched with the bolt or the nut, such as a pipe wrench and the like, and the installation or the disassembly of the sealing joint is carried out by manual assistance, and the large-sized tool such as the pipe wrench and the like is difficult to be clamped by a manipulator, and at this time, the maintenance and the replacement operation of the sealing joint are inconvenient.

Meanwhile, the cooler also has faults in the process of cooling the target, so that the cooler needs to be replaced, and a detachable sealing joint needs to be reserved between the end cover of the vacuum cavity and the cooler.

Disclosure of Invention

The utility model aims to provide a quick-dismantling type multi-loop fluid sealing structure which can be used in a strong radiation environment and is beneficial to improving the convenience of maintenance or replacement operation.

The utility model provides a quick-dismantling type multi-loop fluid sealing structure which comprises a first flange and a second flange, wherein the first flange is detachably connected with the second flange, a first inflow channel for fluid to flow into the first flange and a first outflow channel for fluid to flow out of the first flange are formed in the first flange in a penetrating manner;

The second flange is provided with a second inflow channel for fluid to flow into the second flange in a penetrating way, the second inflow channel is arranged corresponding to the first inflow channel, the second flange is provided with a second outflow channel for fluid to flow out of the second flange in a penetrating way, the second outflow channel is arranged corresponding to the first outflow channel, and the first flange and the second flange are assembled in a sealing way.

In a preferred embodiment, the first inflow channel comprises an inflow groove, an inflow hole is formed in the groove wall of the inflow groove in a penetrating manner, the first outflow channel comprises an outflow groove, and an outflow hole is formed in the groove wall of the outflow groove in a penetrating manner;

The second inflow channel comprises a supply groove, a supply hole is formed in the groove wall of the supply groove in a penetrating mode, the second outflow channel comprises a discharge groove, and a discharge hole is formed in the groove wall of the discharge groove in a penetrating mode.

In a further preferred embodiment, a sealing assembly is arranged between the first flange and the second flange, the sealing assembly comprises a first sealing element and a second sealing element, when the first flange and the second flange are closed, the first sealing element is arranged outside the notch of the inflow groove and the notch of the outflow groove, and the second sealing element is arranged outside the first sealing element.

In a further preferred embodiment, the first flange is provided with a sealing groove, and the first sealing member includes a notch sealing ring, and the notch sealing ring is embedded in the sealing groove.

In a further preferred embodiment, the first flange is provided with a first knife edge, the second flange is provided with a second knife edge, the first knife edge and the second knife edge are correspondingly arranged, the second sealing piece comprises a plane sealing ring, and when the plane sealing ring is installed, the plane sealing ring is embedded in the first knife edge and the second knife edge.

In a preferred embodiment, a plurality of guide baffles are detachably arranged on the first flange, and are used for positioning and assembling the second flange on the first flange.

In a further preferred embodiment, a mounting area for mounting the second flange is formed between the plurality of guide baffles, the guide baffles comprise a leading-in end and a mounting end which are sequentially arranged along the direction that the second flange enters the mounting area, a guide surface for guiding the second flange to enter the mounting area is arranged between the leading-in end and the mounting end, and the guide surface is obliquely arranged from the leading-in end to the direction that the mounting area approaches.

In a further preferred embodiment, the guide baffle comprises a bonding surface, the bonding surface is arranged between the guide surface and the mounting end, and the bonding surface is bonded with the outer wall of the second flange in the mounting area.

In a preferred embodiment, the first flange and the second flange are both provided with hanging rings.

Compared with the prior art, the utility model has the following advantages and beneficial effects:

1. When the fluid sealing structure is used for cooling fluid circulation, the cooling fluid flows into the first flange from the first inflow channel and flows into the second flange along the second inflow channel, and the cooling fluid flows into the cooler along the second inflow channel to cool the cooler. And the cooling fluid after heat exchange of the cooler flows back into the second flange along the second outflow channel, continuously flows into the first outflow channel, and is discharged out of the first flange through the first outflow channel. The flow path of the cooling liquid sequentially passes through the first flange and the second flange, so that circulation and supply of the cooling fluid are realized.

The sealing assembly between the first flange and the second flange possibly leads to the problem that the leakproofness reduces under the effect of strong radiation environment, and at this moment, the first flange and the second flange that will dismantle the connection separate, can maintain or change the sealed department of first flange and second flange, are favorable to improving the convenience of fluid seal structure maintenance or change operation, reduce the inconvenience of operation that needs whole dismouting pipeline joint to cause because of sealed problem.

2. The first sealing element is used as a first seal in direct contact with a fluid medium, the second sealing element is used as a second seal of the fluid medium, and two seals formed between the first flange and the second flange can effectively ensure tightness and improve the use safety of the fluid sealing structure so as to obtain the fluid sealing structure with higher reliability under the high-power incident beam current condition.

3. When the first flange and the second flange are installed, the notch of the inflow groove corresponds to the notch of the supply groove, and the notch of the outflow groove corresponds to the notch of the discharge groove, so that cooling fluid can smoothly circulate in the fluid sealing structure. The setting of guide baffle can be in the installation of first flange and second flange, plays the guide effect to the determination of second flange mounted position, realizes the quick installation of first flange and second flange.

Drawings

FIG. 1 is a schematic view of the whole structure of a quick-release multi-circuit fluid seal structure according to the present utility model in an embodiment;

FIG. 2 is a schematic view of a first flange according to the present utility model in an embodiment;

FIG. 3 is a schematic view of the structure of FIG. 2 at another angle;

FIG. 4 is a schematic view of a second flange according to the present utility model in an embodiment;

FIG. 5 is a schematic view of the structure of FIG. 4 at another angle;

fig. 6 is a cross-sectional view of the first flange and the second flange of the present utility model along the length direction in an embodiment.

Reference numerals:

1-a first flange; 11-a first inflow channel; 111-inflow groove; 112-an inflow orifice; 12-a first outflow channel; 121-outflow slot; 122-outflow holes; 13-sealing the groove; 14-a first incision; 15-a guide baffle; 151-an import end; 152-mounting end; 153-guide surface; 154-an abutting surface; 16-a threaded hole; 2-a second flange; 21-a second inflow channel; 211-a supply tank; 212-a supply hole; 22-a second outflow channel; 221-a discharge tank; 222-a discharge hole; 23-notch sealing rings; 24-plane sealing rings; 25-fitting holes; 251-tightening the bolt; 26-a second knife edge; 3-mounting area; 4-hanging rings.

Detailed Description

It should be noted that, in the case of no conflict, the embodiments of the present application and the technical features of the embodiments may be combined with each other, and the detailed description in the specific embodiments should be interpreted as an explanation of the gist of the present application and should not be construed as unduly limiting the present application.

In order to make the objects, technical solutions and advantages of the embodiments of the present application more apparent, the specific technical solutions of the present application will be described in further detail below with reference to the accompanying drawings in the embodiments of the present application. The following examples are illustrative of the application and are not intended to limit the scope of the application.

In embodiments of the present application, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the embodiments of the present application, unless otherwise indicated, the meaning of "a plurality" is two or more.

In embodiments of the present application, unless explicitly specified and limited otherwise, the term "connected" is to be construed broadly, and for example, "connected" may be either a fixed connection, a removable connection, or an integral unit; can be directly connected or indirectly connected through an intermediate medium.

The technical scheme of the utility model is described in detail below with reference to the specific drawings.

Example 1

The quick-disassembly multi-loop fluid sealing structure can be used for sealing the pipeline connection position of the vacuum interface between the cooler and the vacuum end cover, and is convenient to maintain or replace.

Referring to fig. 1, the quick-dismantling type multi-loop fluid sealing structure of the utility model comprises a first flange 1 and a second flange 2, wherein the first flange 1 and the second flange 2 are mutually covered and detachably connected, and referring to fig. 2 and 3, a first inflow channel 11 and a first outflow channel 12 are formed on the butt joint surface of the first flange 1 and the second flange 2.

Specifically, the first inflow channel 11 includes an inflow groove 111, the inflow groove 111 is a circular groove, an inflow hole 112 is formed through the groove wall of the inflow groove 111 to the outside of the first flange, and the cooling fluid flows into the first inflow groove 111 from the inflow hole 112. In the illustrated embodiment, the inflow grooves 111 may be provided in plurality, and the inflow holes 112 may be provided in plurality, so as to form a multi-circuit structure through which the cooling fluid flows, and the worker may select the inflow grooves 111 and the inflow holes 112 corresponding to the diameters and the number of the through grooves according to the actual flow amount and the kind of the cooling fluid.

Specifically, the first outflow channel 12 includes an outflow slot 121, the outflow slot 121 is a circular groove, an outflow hole 122 is formed in the groove wall of the outflow slot 121 penetrating to the outer side of the first flange, and the cooling fluid flows into the outflow hole 122 through the outflow slot 121 to realize the discharge of the cooling fluid. In the embodiment shown, the outflow slots 121 may be provided in plurality and the outflow holes 122 correspondingly provided in plurality to form a multi-circuit structure for circulating the cooling fluid.

In the preferred embodiment, the abutting surface of the first flange 1 and the second flange 2 is provided with a sealing groove 13, and the sealing groove 13 is an annular groove and is enclosed outside the notch of the inflow groove 111 and the notch of the outflow groove 121. The first flange 1 is provided with a first knife edge 14 at the outer side of the sealing groove 13, and the first knife edge 14 is annularly arranged along the notch of the sealing groove 13.

Referring to fig. 4 and 5, the interface of the second flange 2 and the first flange 1 is provided with a second inflow channel 21 and a second outflow channel 22. Specifically, the second inflow channel 21 includes a supply groove 211, and the supply groove 211 is a circular groove and is provided corresponding to the inflow groove 111 so that the cooling fluid flowing in the inflow groove 111 can flow into the supply groove 211. The groove wall of the supply groove 211 penetrates to the outer side of the second flange 2 to form a supply hole 212, and the cooling fluid in the supply groove 211 can flow out of the second flange 2 from the supply hole 212 so as to supply the cooling fluid to the cooler.

Specifically, the second outflow path 22 includes a discharge groove 221, and the discharge groove 221 is a circular groove and is provided corresponding to the outflow groove 121 so that the cooling fluid flowing in the discharge groove 221 can flow into the outflow groove 121. The drain hole 222 is formed in the drain groove 221 so as to penetrate the outer side of the second flange 2, and the cooling fluid having completed heat exchange in the cooler can flow into the second flange 2 through the drain hole 222, so as to circulate the cooling fluid.

In the preferred embodiment, the second flange 2 is provided with a second blade 26, and the second blade 26 is disposed around the notch of the supply tank 211 and outside the notch of the discharge tank 221.

Referring to fig. 6, in a preferred embodiment, the seal groove 13 is embedded with a notch seal ring 23, and the notch seal ring 23 is an O-ring adapted to the seal groove 13 and is located outside the notch of the first through groove 11. In particular, the notch seal 23 may be a rubber or metal seal, such as a rubber seal. When the second flange 2 is covered with the first flange 1, the notch sealing ring 23 is matched and abutted with the groove wall of the sealing groove 13, and the notch sealing ring 23 and the sealing groove 13 realize first sealing of the first flange 1 and the second flange 2. The first knife edge 14 and the second knife edge 26 are embedded with a plane sealing ring 24, the plane sealing ring 24 is an annular sealing ring matched with a cavity formed by the first knife edge 14 and the second knife edge 26, and the plane sealing ring 24 can be a rubber ring or a metal ring, such as an oxygen-free copper ring. When the second flange 2 is covered with the first flange 1, the plane sealing ring 24 is respectively matched and abutted with the inner wall of the first knife edge 14 and the inner wall of the second knife edge 26, and the plane sealing ring 24 realizes the second sealing of the first flange 1 and the second flange 2 at the positions of the first knife edge 14 and the second knife edge 26.

Referring to fig. 1 to 6, when the sealing structure is installed, the first flange 1 and the vacuum end cap, and the second flange 2 and the cooler are connected through pipes, which may be connected by, but not limited to, screw joints or welding, at the inflow hole 112, the outflow hole 122, the supply hole 212, and the discharge hole 222.

After the first flange 1 and the second flange 2 are installed and connected, cooling fluid flows into the inflow hole 112 from the outer side of the vacuum cavity through a pipeline, the cooling fluid continuously flows and flows out into the supply hole 212 along the inflow groove 111 and the supply groove 211, and the cooling fluid flows out of the supply hole 212 and enters the cooler through the pipeline so as to supply cooling medium to the cooler, so that cooling treatment of the cooler is realized. The cooling fluid having completed the heat exchange is discharged from the pipe again, and the cooling fluid enters the discharge groove 221 through the discharge hole 222. The discharge groove 221 corresponds to the outflow groove 121, and the cooling fluid flows into the outflow groove 121 to enter the first flange 1, and finally is discharged out of the first flange 1 through the outflow hole 122.

The notch sealing ring 23 is contacted with cooling fluid to be used as a first seal, the plane sealing ring 24 is used as a second seal, the double seal arrangement can effectively ensure the tightness between the first flange 1 and the second flange 2, and the use safety of the fluid sealing structure is improved, so that the fluid sealing structure with higher reliability under the high-power incident beam current condition is obtained. Wherein, the circulating fluid can meet the circulating and sealing requirements when the circulating fluid is gas or liquid.

When the problem of poor sealing occurs between the first flange 1 and the second flange 2, the first flange 1 and the second flange 2 are detached and separated, and the notch sealing ring 23 and the plane sealing ring 24 can be checked or replaced, so that the operation is convenient. Under the condition that the outflow pipeline is fixedly connected with the second flange 2, if the cooler is in fault and needs to be replaced, the vacuum cavity end cover is opened, the first flange 1 is separated from the second flange 2, and the cooler and the second flange 2 can be removed and replaced, so that the operation inconvenience caused by the integral disassembly and assembly of the pipeline joint is solved.

Example two

As a further improvement of the above embodiment, the present embodiment differs from the first embodiment in that: referring to fig. 1 and 6, the first flange 1 is detachably connected with a plurality of guide baffles 15, the plurality of guide baffles 15 are arranged around the butt joint surface of the first flange 1 and the second flange 2, the guide baffles 15 are vertically arranged baffle plates, and a mounting area 3 for mounting the second flange 2 is formed between the plurality of baffle plates.

In the preferred embodiment, the guide baffle 15 includes a leading-in end 151 and a mounting end 152 sequentially disposed along the direction of the second flange 2 entering the mounting area 3, specifically, the mounting end 152 and the first flange 1 are assembled by bolts, the bolts can adjust the distance between the mounting end 152 and the first flange 1 according to the actual use condition, so as to adjust the space size of the mounting area 3, and can play a certain role in stabilizing the covering between the first flange 1 and the second flange 2.

A guide surface 153 and an abutting surface 154 are arranged between the leading-in end 151 and the mounting end 152, the guide surface 153 and the abutting surface 154 are distributed along the direction that the second flange 2 enters the mounting area 3, and the guide surface 153 is obliquely arranged from the leading-in end 151 to the direction that the mounting area 3 approaches to guide the second flange 2 to enter the mounting area 3 and rapidly finish the alignment operation with the first flange 1. The bonding surface 154 is bonded to the corresponding side of the first flange 1 and the corresponding side of the second flange 2, and the mounting end 152 can adjust the bonding degree between the bonding surface 154 and the corresponding side of the second flange 2 by adjusting the distance between the mounting end and the first flange 1 through bolts.

In the installation process of the second flange 2 and the first flange 1, the second flange 2 enters the installation area 3 along the guide surface 153, the joint surface 154 is jointed with the corresponding side of the second flange 2 entering the installation area 3, the guide baffle 15 plays a role in guiding and positioning the second flange 2, so that the second through groove 21 and the first through groove 11 realize position correspondence, and convenience in installation of the second flange 2 and the first flange 1 is facilitated.

The first flange 1 and the second flange 2 are provided with hanging rings 4, and specifically, the hanging rings 4 are provided with a plurality of hanging rings and are respectively arranged on the side wall of the first flange 1 and the top wall of the second flange 2. When the first flange 1 is separated from the second flange 2, the first flange 1 or the second flange 2 can be pulled by the arrangement of the hanging ring 4, so that the moving operation of the first flange 1 or the second flange 2 is facilitated.

Example III

In order to realize convenient disassembly and assembly of the first flange 1 and the second flange 2, the difference in the embodiment is that, referring to fig. 1 to 5, the contact surface of the first flange 1 and the second flange 2 is provided with threaded holes 16, specifically, the threaded holes 16 are provided with a plurality of threaded holes 16, and the plurality of threaded holes 16 are distributed at intervals around the second knife edge 26. The second flange 2 is provided with an assembly hole 25 in a penetrating mode, the assembly hole 25 is arranged corresponding to the threaded hole 16, a fastening bolt 251 is arranged between the second flange 2 and the first flange 1, and the threaded end of the fastening bolt 251 penetrates through the assembly hole 25 to the threaded hole 16 and is in threaded connection with the first flange 1 so as to realize assembly of the first flange 1 and the second flange 2. The screw holes 16 are arranged in a surrounding mode, so that the first flange 1 and the second flange 2 can be stably installed, pressure from the fastening bolts 251 is applied between the first flange 1 and the second flange 2, the pressure can be uniformly distributed at the notch sealing ring 23 and the plane sealing ring 24, and the tightness between the first flange 1 and the second flange 2 is effectively guaranteed.

The first flange 1 and the second flange 2 are convenient in operation mode of dismounting through the tightening bolts 251, the tightening bolts 251 are different from bolts matched with DN50 pipes, the tightening operation of the tightening bolts 251 can be completed through the matching of a master manipulator and a slave manipulator, and the maintenance or replacement operation of a fluid sealing structure in a strong radiation environment is facilitated.

The foregoing embodiment numbers of the present application are merely for the purpose of description, and do not represent the advantages or disadvantages of the embodiments. The foregoing description is only of the preferred embodiments of the present application, and is not intended to limit the scope of the application, but rather is intended to cover any equivalents of the structures or equivalent processes disclosed herein or in the alternative, which may be employed directly or indirectly in other related arts.

Claims

1. The quick-dismantling type multi-loop fluid sealing structure is characterized by comprising a first flange (1) and a second flange (2), wherein the first flange (1) is detachably connected with the second flange (2), a first inflow channel (11) for fluid to flow into the first flange (1) and a first outflow channel (12) for fluid to flow out of the first flange (1) are formed in the first flange (1) in a penetrating manner; the second flange (2) is provided with a second inflow channel (21) for fluid to flow into the second flange (2), the second inflow channel (21) is arranged corresponding to the first inflow channel (11), the second flange (2) is provided with a second outflow channel (22) for fluid to flow out of the second flange (2), the second outflow channel (22) is arranged corresponding to the first outflow channel (12), and the first flange (1) and the second flange (2) are assembled in a sealing mode.

2. The quick-release multi-circuit fluid sealing structure according to claim 1, wherein the first inflow channel (11) comprises an inflow groove (111), an inflow hole (112) is formed in the groove wall of the inflow groove (111) in a penetrating manner, the first outflow channel (12) comprises an outflow groove (121), and an outflow hole (122) is formed in the groove wall of the outflow groove (121) in a penetrating manner; the second inflow channel (21) comprises a supply groove (211), a supply hole (212) is formed in the groove wall of the supply groove (211) in a penetrating mode, the second outflow channel (22) comprises a discharge groove (221), and a discharge hole (222) is formed in the groove wall of the discharge groove (221) in a penetrating mode.

3. The quick release multi-circuit fluid seal structure according to claim 2, wherein a seal assembly is provided between the first flange (1) and the second flange (2), the seal assembly comprises a first seal and a second seal, when the first flange (1) and the second flange (2) are closed, the first seal is disposed outside a notch of the inflow groove (111) and a notch of the outflow groove (121), and the second seal is disposed outside the first seal.

4. A quick release multi-circuit fluid seal structure according to claim 3, wherein the first flange (1) is provided with a sealing groove (13), the first sealing member comprises a notch sealing ring (23), and the notch sealing ring (23) is embedded in the sealing groove (13).

5. The quick-release multi-loop fluid sealing structure according to claim 3 or 4, wherein the first flange (1) is provided with a first knife edge (14), the second flange (2) is provided with a second knife edge (26), the first knife edge (14) and the second knife edge (26) are correspondingly arranged, the second sealing element comprises a plane sealing ring (24), and when the plane sealing ring (24) is installed, the plane sealing ring (24) is embedded in the first knife edge (14) and the second knife edge (26).

6. A quick release multi-circuit fluid seal structure according to claim 1, characterized in that the first flange (1) is detachably provided with a plurality of guiding baffles (15) for positioning and assembling the second flange (2) on the first flange (1).

7. The quick-release multi-circuit fluid sealing structure according to claim 6, wherein a mounting area (3) for mounting the second flange (2) is formed between the plurality of guide baffles (15), the guide baffles (15) comprise an introduction end (151) and a mounting end (152) which are sequentially arranged along the direction that the second flange (2) enters the mounting area (3), a guide surface (153) for guiding the second flange (2) to enter the mounting area (3) is arranged between the introduction end (151) and the mounting end (152), and the guide surface (153) is obliquely arranged from the introduction end (151) to the direction that the mounting area (3) approaches.

8. The quick release multi-circuit fluid seal structure of claim 6, wherein the guide baffle (15) includes a bonding surface (154), the bonding surface (154) is disposed between the guide surface (153) and the mounting end (152), and the bonding surface (154) is bonded to an outer wall of the second flange (2) in the mounting area (3).

9. The quick-release multi-circuit fluid sealing structure according to claim 1, wherein the first flange (1) and the second flange (2) are provided with hanging rings (4).

10. A quick release multi-circuit fluid seal structure according to claim 1, characterized in that the first flange (1) and the second flange (2) are fixedly assembled by means of fastening bolts (251).